import java.util.HashMap;
import java.util.Map;
public class StringUtils {
public static int StringFind(String goal){
Map chars=new HashMap<>();
int result=0;
int b=0;
for(int i=0;iresult){
result=i-b+1;
}
}else{
if((i-b+1)>result){
result=i-b+1;
}
}
chars.put(ch, i);
}
return result;
}
}